diff --git a/src/main.rs b/src/main.rs
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,12 @@
 use bevy::prelude::*;
 
 fn main() {
-    App::new().add_plugins(DefaultPlugins).run();
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_system(Startup, setup)
+        .run();
+}
+
+fn setup(commands: Commands) {
+    commands.spawn(Camera2d);
 }